the details of the anti-tank weapon in question were previously known,

DTC10-125, an anti-tank round fielded by the modern-day Chinese military. Also known as a kinetic energy penetrator,...

SO, its their version of the depleted uranium anti-tank rounds and the SABOT casing that the US military uses. Doesn't sound like anything earth shattering.

specifications of the DTC10-125 were previously revealed online in multiple locations,

French Leclerc main battle

hehe... Le Clerc. I like the image that reading that makes in my head.